Chapter 17- Blood Assignment20192020.docx - Spring 2019 Semester Page 1 Chapter 17 Blood Assignment For this assignment please read the chapter and

Chapter 17- Blood Assignment20192020.docx - Spring 2019...

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Page 1 Chapter 17 - Blood Assignment For this assignment, please read the chapter and answer the questions below. Please type your answers in red or blue color. Please note that points may be deducted if answers are not submitted in these colors. Sentences in italics are meant to help you understand the material- they are not questions. Blood Functions: Understand the following functions of Blood.i)Transport Nutrients, Hormones, Wastesii)Regulates Body Temperatureiii)Provides Protection (Immune Response, Hemostasis)Blood Composition: write a short description of each of the following components of blood (7 points) Formed Elements (cells): Briefly describe the functions for the following cells (3 points ) BIO 202 – Chapter 17 Spring 2019 Semester
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Page 2 Table 17.2 in the textbook gives you a summary of the formed elements of the blood. Erythrocytes- Red Blood Cells 45% of whole blood ( most dense component) Leukocytes- White Blood Cells <1% of whole blood Platelets- Coagulants < 1% Of whole blood Red Blood Cell (RBC) - Erythrocyte : Figure 17.7 in the textbook reviews the life cycle of RBC’s Red blood cells (erythrocytes) are biconcave disks and this shape increases the _ surface_______ ___area_ ____ of the cell and maximizes diffusion of gases. Watch the hemoglobin animation in the course documents. ( 1 point ) The _ hemoglobin ____ protein binds oxygen in RBCs. ( 1 point ) When oxygen combines with hemoglobin, it forms bright red__ oxyhemoglobin _______. ( 1 point ) When hemoglobin releases the oxygen, it becomes dark red _ deoxyhemoglobin ___. ( 1 poin What is hypoxia? ( 1 point )
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